POWER MANAGEMENT

SC2615

9

 2003 Semtech Corp.

www.semtech.com

SC2615 DDR controller’s timing : BF_CUT generated from S3 and P_OK

Ch1: S3 signal to Silverbox

Ch2: Power_OK from Silverbox

Ch3: BF_CUT(NOT)=S3.AND.P_OK

Ch4: SS/EN

SC2615 DDR controller’s timing : VDDQ and VTT vs. BF_CUT

Ch1: BF_CUT (NOT)

Ch2: VDDQ with 2.5V offset, @ 650mA

Typical Characteristics

Ch3: VTT @ 650 mA

Ch4: PGOOD output